Color

#588c8d

#588c8d
hex#588c8d
rgbrgb(88, 140, 141)
hslhsl(181, 23%, 45%)
oklchoklch(0.604 0.056 197.3)
Closest name: Arctic (#648589)Relative luminance 0.2275

Colors that go with #588c8d

Charcoal, Copper and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8d5958

#588d74 · #58728d

#8d588c · #8c8d58

Split-complementary

Open in tool →

#8d5872 · #8d7458

#74588d · #8d5958 · #728d58

Contrast

#588c8d as textRatioAAAA largeAAAFix
Aaon white
3.78:1failpassfail
  • AA: use #4f7d7d as the text (4.6:1)
  • AAA: use #3b5e5e as the text (7.12:1)
  • AA: or shift the background to #1c1c1c (4.5:1)
Aaon black
5.55:1passpassfail
  • AAA: use #68a0a1 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588c8d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #588c8d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #588c8d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588c8d-a2babe-d45992-1f272d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md